CN102991332A - Counter-rotation electric machine - Google Patents

Counter-rotation electric machine Download PDF

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Publication number
CN102991332A
CN102991332A CN2012103266826A CN201210326682A CN102991332A CN 102991332 A CN102991332 A CN 102991332A CN 2012103266826 A CN2012103266826 A CN 2012103266826A CN 201210326682 A CN201210326682 A CN 201210326682A CN 102991332 A CN102991332 A CN 102991332A
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CN
China
Prior art keywords
gear
output
input
power system
motor
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2012103266826A
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Chinese (zh)
Other versions
CN102991332B (en
Inventor
阿尔弗雷多·R·穆诺斯
迈克尔·W·德格尼尔
迈克尔·T·贝尔汉
肖恩·G·诺尔斯
托马斯·A·麦金
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Ford Global Technologies LLC
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Ford Global Technologies LLC
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Publication date
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Publication of CN102991332A publication Critical patent/CN102991332A/en
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Publication of CN102991332B publication Critical patent/CN102991332B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/46—Series type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2510/00—Input parameters relating to a particular sub-units
    • B60W2510/06—Combustion engines, Gas turbines
    • B60W2510/0695—Inertia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2300/00—Purposes or special features of road vehicle drive control systems
    • B60Y2300/60—Control of electric machines, e.g. problems related to electric motors or generators
    • B60Y2300/65—Reduce shocks on mode change, e.g. during engine shutdown
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/19023—Plural power paths to and/or from gearing
    • Y10T74/19051—Single driven plural drives

Abstract

A motor vehicle powertrain includes an engine, a motor/generator including a rotor, gearing including an input driveably connected to the engine, and an output secured to the rotor and driven in a rotary direction opposite to that of the input.

Description

A kind of contrarotation motor machine
Technical field
Present invention relates in general to a kind of particularly being used in motor vehicle powertrain system offsets by propulsion source, driving engine for example, the device of the rolling moment of generation.
Background technology
Gyrating mass on being bearing in vehicle frame is when the S. A. acceleration or deceleration, and dynamically reaction torque just is passed on the vehicle frame.Described reaction torque is called rolling moment, trends towards making whole assembly to rotate around S. A..If vehicle frame is installed on the elastic support, whole vehicle body will stand the little rotation with respect to steady state position when producing the quality acceleration or deceleration.In order to hold these motions and to prevent in-plant other object of assembly collision, just need near the exceptional space of assembly.Described rolling moment also produces extra mechanical strees at the support of installation quality.
In the very limited power actuated vehicle of the free space of the machinery space under engine case, be harsh near the demand of the extra idle space any assembly or the system.Specifically, vehicle motor trends towards showing very huge rolling moment when accelerating suddenly, when assembly when the elasticity engine bed that is positioned at vehicle chassis rotates, cause one around the huge space vacant, waste of driving engine and change-speed box.If rotary load is attached to engine output shaft, so that the rolling moment of composite engine load system will be offset and reduce to described load, just can reduce the oscillating motion of engine load, thus the amount of space that cuts the waste.
Summary of the invention
A kind of motor vehicle powertrain system, comprise driving engine, comprise the motor/generator of rotor, but be connected to the driving device of the input of driving engine with comprising transmission, and be fixed to rotor and driven output on the hand of rotation opposite with the hand of rotation of input.
By making electric generating set rotor and engine shaft 14 at opposite direction rotation, sudden engine accelerates and the clean rolling moment when slowing down reduces, so power system reduces with respect to the relative motion of installation base.
Between electrical generator and driving engine, use gear case to help to reduce total encapsulation volume/quality and improve entire system efficient.When coupling engine speed and torque profile, can select suitable gear ratio and be designed for Optimal performance and the electrical generator of minimum size.
Because less relative driving engine motion, the installable more close driving engine of the subsystem under other engine cases provides space-saving new chance.
From the following specific embodiment, claim and accompanying drawing, learn easily the Applicable scope of preferred embodiment.Should be appreciated that although this explanation and specific embodiment represent the preferred embodiments of the present invention, it only is used for explanation the present invention.The those skilled in the art can learn easily that the difference of described embodiment changes and modification.
Description of drawings
Can be more readily understood the present invention with reference to accompanying drawing in conjunction with following explanation, wherein:
Fig. 1 is the power system birds-eye view for motor vehicle driven by mixed power;
Fig. 2 is the section drawing of taking from the sagittal plane of motor machine by the described power system of Fig. 1 and planetary gear unit; And
Fig. 3 is the scheme drawing of the replacement configuration of planetary transmission.
The specific embodiment
Referring now to accompanying drawing, the power system 10 that is used for serial mixed power vehicle (SHEV) comprises that electrical generator-gear box device 12(is also referred to as generator set), but its transmission be connected to the bent axle 14 of combustion engine 16; Traction motor 18, itself and driving engine 16 and generator set 12 are connected in series; Gear case 20, but transmission be connected to traction motor, for generation of the speed of the traction motor of the certain limit forward ratio divided by gear case output speed and reverse drive; And the driving wheel 22,24 of vehicle.Between driving engine 16 and driving wheel 18,20, there is not direct mechanical connection.
Generator set 12 comprises motor generator 26 and the planetary transmission 28 between engine crankshaft 14 and traction motor 18 of being installed in series.Motor/generator 26 is mechanical coupling to the planetary gear unit 28 of contrarotation.
Gear unit 28 comprises sun gear 39, Ring gear 32, planetary gear carrier 34, and the planet pinion gear 36 that is supported on tooth rest and meshes with sun gear 30 and Ring gear 32.Input shaft 38 is fixed on the Ring gear 32.Torsion vibration absorber 40 connects bent axle 14 and input shaft 38.As shown in Figure 2, the rotor 42 of motor/generator 26 is connected to sun gear 30, and stator 44 be ground connection to prevent its rotation.The tooth rest 34 of gear unit 28 also 46 ground connection to prevent its rotation.Although this is preferred disposition, should understand, also can allow tooth rest 34 rotations.The resultant moment that is delivered to surrounding structure if tooth rest slides reduces, and this may be better car noise vibration (NVH) angle.
Because tooth rest 28 offers the torque response of gear unit 28, the rotor 42 of sun gear 30, axle 48 and motor/generator 26 is with respect to the speed overdrive transmission of bent axle 14 and input shaft 38.The rotor 42 of sun gear 30, axle 48 and motor/generator 26 is at the direction rotation opposite with the hand of rotation of bent axle 14 and input shaft 38.
Input shaft 38 is bearing on the bearing 50, is installed in the housing.Rotor 42 is bearing on the bearing 52,54, is installed in the housing.Thrust baring 56,58,60 reacts on helical gear use in the planetary transmission 28 and the housing thrust that produces.
The Hydraulic Pump 62 that rotates under the driving of rotating shaft provides the source of hydraulic line pressure for gear case 20, planetary transmission 26 and bearing.
Motor/generator 26 is electrically connected to traction motor 18 by wire 64.
Planetary gear unit 28 is compact, high efficiency, and realize the contrarotation effect and keep the axis of rotor 42 and the axis of input shaft 38 aligns mutually, thereby transmit a reverse rolling moment to primary mover 16, the rolling moment that this at least part of elimination driving engine 14 produces.
As long as input shaft and generator amature in the opposite direction rotate, other planetary wheel configurations also can be used.For example, as shown in Figure 3, if sun gear 30 is fixed to input shaft 38, Ring gear 32 is fixed to axle 48 and rotor 42, and tooth rest keeps fixing and does not rotate, the rotor 42 of Ring gear 32, axle 48 and motor/generator 26 will with the direction rotation of the opposite direction of bent axle 14 rotations and slower than the speed of bent axle 14 and input shaft 38.
Because motor/generator rotor 42 and engine shaft 14 be at opposite direction rotation, sudden engine accelerates and the clean rolling moment when slowing down reduces, thereby power system also reduces such as the relative motion of support of engine with respect to installation base.In addition, between electrical generator and driving engine, use driving device to help to reduce total encapsulation volume/weight and improve entire system efficient.By selecting suitable gear ratio can when motor designs is become performance optimization and minimum size, mate engine speed and torque profile.
Because less relative driving engine motion, the subsystem under other engine cases can encapsulate more near driving engine 16, the new chance of space-saving is provided.From the visual angle of motor/generator 26, the direction of rotation is unessential.Therefore, the adverse consequences that is not caused by contrarotation driving device 28 and motor/generator 26.
Although specification sheets is based on tandem electrical generator topology, should be appreciated that this layout and benefit thereof can be used to any situation that driving engine is loaded on rotary load.
According to the regulation of patent law, preferred implementation is as above set forth.But what should be noted that is to be different from other alternative embodiments that elaborate and illustrate and can to implement equally.

Claims (6)

1. a motor vehicle powertrain system is characterized in that, comprises:
Driving engine;
The motor/generator that comprises rotor;
Driving device, but described driving device is connected to the input of driving engine with comprising transmission, and be fixed on the rotor and driven output on the hand of rotation opposite with the hand of rotation of input.
2. power system as claimed in claim 1 is characterized in that, described output is overdriven with respect to input speed.
3. power system as claimed in claim 1 is characterized in that, described driving device comprises:
Be connected to the sun gear of output;
Be connected to the Ring gear of input;
Maintain static moving planetary gear carrier; And
The planet pinion gear that is supported on tooth rest and meshes with sun gear and Ring gear.
4. power system as claimed in claim 1 is characterized in that, described output is low speed rotation with respect to input speed.
5. power system as claimed in claim 1 is characterized in that, driving device comprises:
Be connected to the sun gear of input;
Be connected to the Ring gear of output;
Fixing non-rotary planetary gear carrier; And
The planet pinion gear that is supported on tooth rest and meshes with sun gear and Ring gear.
6. power system as claimed in claim 1 is characterized in that, further comprises:
Traction motor;
The vehicular drive wheel; And
Comprise the gear case that is connected to the second output that drives wheel, the speed of the traction motor of described gear case generation certain limit is divided by the forward ratio of the second output speed and reverse drive.
CN201210326682.6A 2011-09-08 2012-09-05 A kind of Counter-rotation electric machine Expired - Fee Related CN102991332B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/227,506 US20130065718A1 (en) 2011-09-08 2011-09-08 Counter-Rotation Electric Machine
US13/227,506 2011-09-08

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CN102991332A true CN102991332A (en) 2013-03-27
CN102991332B CN102991332B (en) 2016-11-23

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CN (1) CN102991332B (en)
DE (1) DE102012215286A1 (en)

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CN105539167A (en) * 2015-12-30 2016-05-04 北京新能源汽车股份有限公司 Range extending type electric vehicle and noise suppression method thereof

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CN111764998B (en) * 2020-07-18 2022-05-24 刘少林 Multi-rotor pure rolling internal combustion engine
DE102020210488A1 (en) 2020-08-18 2022-02-24 Volkswagen Aktiengesellschaft Internal combustion engine for a motor vehicle and motor vehicle with an internal combustion engine

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Publication number Publication date
US20130065718A1 (en) 2013-03-14
DE102012215286A1 (en) 2013-03-14
CN102991332B (en) 2016-11-23

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